Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-04-2024 20:52

General

  • Target

    $PLUGINSDIR/nsDui.dll

  • Size

    5.8MB

  • MD5

    2eb92cc54285af5f5693119080c60ed8

  • SHA1

    b680f79ca6cc219ed877fa10437e77108ec7b7fd

  • SHA256

    b28363bd1075dbd2e94e5fa22943a98dacdd53a2fa42921c2885703554d9c586

  • SHA512

    5c66d50e5c45392388b3490875f0604a5c05ef0591238c3544fd410883a8455c229f1a8cd147c26fb87f56ded56cce853261b06ff8454d433f39f51b3035a6ba

  • SSDEEP

    98304:5mODfTz+xbDcc0Wc9dOJxYKmSAWjOcsyxKwOj0jRHKmSAW0OW4JXlVgFKzpxdBB7:gAOxhg9dOJBFFOjwOj3FmOXPV5prBBSq

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDui.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDui.dll,#1
      2⤵
        PID:208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 680
          3⤵
          • Program crash
          PID:3060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 208 -ip 208
      1⤵
        PID:1556
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:736

        Network

        MITRE ATT&CK Matrix

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        Downloads